Page 964 - AP Computer Science A, 7th edition
P. 964
17. (B) Even though it’s convenient for a Tire object to inherit Circle methods, an inheritance relationship between a Tire and a Circle is incorrect: It is false to say that a Tire is-a Circle. A Tire is a car part, while a Circle is a geometric shape. Notice that there is an association relationship between a Tire and a Circle: A Tire has-a Circle as its boundary.
